Audi Q4 E-Tron 2023–2026 — technical service bulletin
Bulletin TSB_2080708_1 · NHTSA communication 11028451 · issued Jan 23, 2026
Technical service bulletin
communication type
Electrical System
component
2023–2026
model years
8
vehicle entries
Official summary
This Pending Service Solution (PSS) requests that technicians enter a record into the PSS database in instances wehre the HV battery surplus solar charging/intelligent charging via the wall box is faulty.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.